Home / 762,738.04-1,143,855.90-257,162.44

Finding the Fourth Proportional to 762,738.04, 1,143,855.90 and 257,162.44

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Solution

The fourth proportional to 762,738.04, 1,143,855.90 and 257,162.44 is: 385,658.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,738.04 : 1,143,855.90 = 257,162.44 : x
  2. Step 2: Convert to fraction form
    762,738.04/1,143,855.90 = 257,162.44/x
  3. Step 3: Cross multiply
    762,738.04x = 1,143,855.90 × 257,162.44
  4. Step 4: Simplify right side
    762,738.04x = 294,156,774,252.40
  5. Step 5: Solve for x
    x = 294,156,774,252.40/762,738.04
  6. Step 6: Final answer
    x = 385,658.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.